355CI Small Block – BluePrint Engines Small Block GM Style Marine Crate Long Block Engine

$5,749.00

  • HP & Torque: 365 HP / 390 FT-LBS
  • Compression Ratio: 9.5:1
  • Cast Iron Heads
  • Flat Tappet Cam
  • Cast Steel Crank
  • Hypereutectic Pistons

Shipping is free, but there is a delivery fee for residential addresses.

SKU: BPEMBP3550CT Category:

355CI GM Style Marine Crate Engine

Looking for a great marine engine? Look no further! This BluePrint Engines 355CI Marine Crate Engine is a great option. This crate engine offers 365 hp and 390 ft. lbs. of torque. It features GM Vortec cast iron cylinder heads that are honed on computer controlled machine to within .0002 straightness and roundness and sonic tested for thickness. Other features include:

  • Compression Ratio: 9.5:1
  • Cast Iron Heads
  • Flat Tappet Cam
  • Cast Steel Crank
  • Hypereutectic Pistons
  • Long Block

What’s Included

Included with the 355CI Marine Crate Engine are a new cast iron marine intake, valve covers. oil pan, and brass freeze plugs.

Important Notes

  • This engine replaces standard rotation engines only – not available as reverse rotation.
  • Passenger Side Dipstick Drilled and tapped for clutch linkage
  • 12 month unlimited hour on pleasurecraft only. No warranty on commercial use.
Brand

355CI Tech Specs

  • HP & Torque: 365 HP / 390 FT-LBS
  • Compression Ratio: 9.5:1
  • Cast Iron Heads
  • Flat Tappet Cam
  • Cast Steel Crank
  • Hypereutectic Pistons

Block:

  • Handpicked seasoned block
  • Square and parallel decked
  • Align honed main bearing bore
  • Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
  • Cylinders are sonic tested for thickness
  • 4-Bolt Main
  • 4.000″ Bored .040″ over
  • 1-Piece Rear Main Seal
  • Mech fuel pump provision: Yes
  • Passenger Side Dipstick Drilled and tapped for clutch linkage

Rotating Assembly:

  • Cast steel crankshaft
  • 3.480″ Stroke
  • OEM type 5.700″ connecting rods w/ 150,000 psi bolts
  • Hypereutectic pistons
  • Internal Front/ External Rear

Cylinder Heads:

  • GM Vortec cast iron cylinder heads
  • 1.25 dia. valve springs, hardened retainers, and keepers
  • 2.02 swirl polished intake valves
  • 1.60 swirl polished exhaust valves
  • Elgin hardened pushrods
  • Long slot rockers with positive lock adjusting nuts

Cam Specs:

  • Cam Type: Flat tappet
  • .480 Intake .489 Exhaust lift
  • 226 Intake / 236 Exhaust duration
  • @ .050 – 112 lobe separation angle

Ignition Timing:

  • 34 degrees total at 3500 RPM

A 12-month unlimited hour on pleasurecraft only.  No warranty on commercial use.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.